Sweat is unable to get through the pores of the skin, which becomes irritated and causes a rash to develop. There are different severities of heat rash. The mildest and most common types look like ...

It can also show up on the neck, ankles, or in areas that bend such as the inner ... Also known as prickly heat or miliaria, this red or pink rash shows up in skin creases or areas where clothing rubs ...

This can cause mild symptoms such as an itchy heat rash or swollen feet as blood vessels become leaky. At the same time, sweating leads to the loss of fluids and salt and, crucially, the balance ...